Important Safety Instructions
Please keep this manual for future review.
This manual contains all instructions of safety, installation and operation for XTRA N series Maximum Power Point Tracking (MPPT) controller ("the controller" as referred to in this manual).
General Safety Information
Read carefully all the instructions and warnings in the manual before installation. No user serviceable components inside the controller. DO NOT disassemble or
attempt to repair the controller.
Mount the controller indoors. Avoid exposure the components and do not allow water to enter the controller.
Install the controller in a well ventilated place. The controller’s heat sink may become very hot during operation.
Suggest installing appropriate external fuses/breakers.
Make sure to switch off all PV array connections and the battery fuse/breakers before controller installation and adjustment.
CONTENTS
1. General Information ... 1
1.1 Overview
... 1
1.2 Characteristics ... 2
1.3 Naming Rules of Controller models ... 3
1.4 Product Classification ... 3
2. Installation Instructions ... 4
2.1 General Installation Notes ... 4
2.2 PV Array Requirements ... 4
2.3 Wire Size ... 8
2.4 Mounting ... 9
3. Display units ... 12
3.1 Basic Display unit(XDB1) ... 12
3.2 Standard Display unit (XDS1) ... 13
3.3 Adanced Display unit (XDS2) ... 17
4. Control Parameters Setting ... 23
4.1 Battery types ... 23
4.1.1 Support battery types ... 23
4.1.2 Battery Voltage Control Parameters ... 23
4.1.3
Settings ... 25
4.2 Load working modes
... 26
4.2.1
LCD setting ... 26
4.2.2
RS485 communication setting ... 27
4.3 Accessories (optional) ... 30
5. Protections, Troubleshooting and Maintenance ... 32
5.1 Protection ... 32
5.2 Troubleshooting ... 33
5.3 Maintenance ... 34
6. Technical Specifications ... 36
Annex I Conversion Efficiency Curves ... 39
1. General Information
1.1 Overview
XTRA N series controller which can carry different display units(XDB1/XDS1/XDS2) adopt the advanced MPPT control algorithm, it can minimize the maximum power point loss rate and loss time, quickly track the maximum power point(MPP) of the PV array and obtain the maximum energy from solar array under any conditions; and it can increase the ratio of energy utilization in the solar system by 20%-30% compared with PWM charging method.
Limiting the charging power & current and reducing charging power functions ensure the system stable with over PV modules in high temperature environment. IP33 Ingress protection and isolated RS485 design further improve the controller’s reliability and meet the different application requirements.
XTRA N series controller owns self-adaptive three-stage charging mode based on digital control circuit, which can effectively prolong the lifespan of battery and significantly improve the system performance. It also has comprehensive electronic protection for overcharge, overdischarge, PV & battery reversepolarity etc, to ensure the solar system more reliable and more durable. This controller can be widely used for RV, household system, field monitoring and many other applications.
Features：
CE certification(LVD EN/IEC62109,EMC EN61000-6-1/3)
100% charging and discharging in working environment temperature range
Optional LCD display units (XDB1/XDS1/XDS2)
High quality and low failure rate components of ST or IR to ensure service life
Advanced MPPT technology & ultra-fast tracking speed guarantee tracking efficiency up to 99.5%
Maximum DC/DC transfer efficiency is as high as 98.5%★
, full load efficiency is up to 97.2%★
Advanced MPPT control algorithm to minimize the MPP lost rate and lost time
Accurate recognizing and tracking of multi-peaks maximum power point
Wide MPP operating voltage range
Support the lead-acid and lithium batteries, programmable temperature compensation
Limit charging power & current over rated value
Real-time energy statistics function
Power reduction automatically over temperature value
Multiple load work modes
Comprehensive electronic protection
Modbus protocol
Support monitoring and setting the parameters via APP or PC software
IP33▲
Ingress protection ★XTRA4415N@48V system
▲3-protection against solid objects: protected against solids objects over
2.5mm.
3-protected against sprays to 60°from the vertical.
1.2 Characteristics
❶
RTS★port❺
RS485 communication port❷
PV Terminals❻
Terminal protection cover❸
Battery Terminals❼
Display units❹
Load Terminals❽
Mounting Hole Φ5mm★If the temperature sensor is short circuit or damaged, the controller will
charge or discharge according the voltage setting point at the default temperature setting of 25 ºC(no temperature compensation).
1.3 Naming Rules of Controller models
EXAMPLE:
1.4
Product Classification
Classify Model Picture Display
Basics XTRA****N-XDB1
LED Indicators: PV & battery
working status
Button:
In manual work mode, it switch ON/OFF the load by press the button.
Clear the error information.
Standard XTRA****N-XDS1
LED Indicators: PV & load working
status
Buttons: View or set the parameters
or clear the error information. LCD：PV display: voltage/current /generated energy
Battery display:
voltage/current/temperature Load display:
current/consumed energy/load working mode
Advanced XTRA****N-XDS2
LED Indicators: PV & battery & load
working status
Buttons: View or set the parameters
or clear the error information. LCD: PV display: voltage/current /generated energy/power
Battery display: voltage/current/
temperature/capacity
Load display: voltage/current/power /consumed energy/load working mode XTRA 1 2 10 N - XDS2
Display Unit(XDB1/XDS1/XDS2)
Product Series
Charge & discharge current 1-10A;2-20A;3-30A;4-40A System Voltage 1-12VDC; 2-12/24VDC
2. Installation Instructions
2.1 General Installation Notes
Please read the entire installation instructions to get familiar with the installation steps before installation.
Be very careful when installing the batteries, especially flooded lead-acid battery. Please wear eye protection, and have fresh water available to wash and clean any contact with battery acid.
Keep the battery away from any metal objects, which may cause short circuit of the battery.
Explosive battery gases may come out from the battery during charging, so make sure ventilation condition is good.
Ventilation is highly recommended if mounted in an enclosure. Never install the controller in a sealed enclosure with flooded batteries! Battery fumes from vented batteries will corrode and destroy the controller circuits.
Loose power connections and corroded wires may result in high heat that can melt wire insulation, burn surrounding materials, or even cause fire. Ensure tight connections and use cable clamps to secure cables and prevent them from swaying in mobile applications.
The controller can work with lead-acid battery and lithium battery within its control scope.
Battery connection may be wired to one battery or a bank of batteries. The following instructions refer to a singular battery, but it is implied that the battery connection can be made to either one battery or a group of batteries in a battery bank. Multiple same models of controllers can be installed in parallel on the same battery
bank to achieve higher charging current. Each controller must have its own solar module(s).
Select the system cables according to 5A/mm2
or less current density in accordance with Article 690 of the National Electrical Code, NFPA 70.
2.2 PV Array Requirements
(1) Serial connection (string) of PV modules
As the core component of solar system, controller could be suitable for various types of PV modules and maximize converting solar energy into electrical energy. According to the open circuit voltage (Voc) and the maximum power point voltage (VMpp) of the
XTRA1206N/2206N: System voltage 36 cell Voc＜23V 48 cell Voc＜31V 54 cell Voc＜34V 60 cell Voc＜38V
Max. Best Max. Best Max. Best Max. Best
12V 2 2 1 1 1 1 1 1
24V 2 2 - - - -
System voltage
72 cell Voc＜46V 96 cell Voc＜62V Thin-Film Module Voc＞80V
Max. Best Max. Best
12V 1 1 - - -
24V 1 1 - - -
NOTE: The above parameter values are calculated under standard test conditions
(STC (Standard Test Condition)：Irradiance 1000W/m2，Module Temperature 25℃，
Air Mass1.5.) XTRA1210/2210/3210/4210N: System voltage 36 cell Voc＜23V 48 cell Voc＜31V 54 cell Voc＜34V 60 cell Voc＜38V
Max. Best Max. Best Max. Best Max. Best
12V 4 2 2 1 2 1 2 1
24V 4 3 2 2 2 2 2 2
System voltage
72 cell Voc＜46V 96 cell Voc＜62V Thin-Film Module Voc＞80V
Max. Best Max. Best
12V 2 1 1 1 1
24V 2 1 1 1 1
NOTE: The above parameter values are calculated under standard test conditions
(STC (Standard Test Condition)：Irradiance 1000W/m2，Module Temperature 25℃，
Air Mass1.5.) XTRA3215/4215N: System voltage 36 cell Voc＜23V 48 cell Voc＜31V 54 cell Voc＜34V 60 cell Voc＜38V
Max. Best Max. Best Max. Best Max. Best
12V 4 2 2 1 2 1 2 1
24V 6 3 4 2 4 2 3 2
System voltage
72 cell Voc＜46V 96 cell Voc＜62V Thin-Film Module Voc＞80V
Max. Best Max. Best
12V 2 1 1 1 1
NOTE: The above parameter values are calculated under standard test conditions
(STC (Standard Test Condition)：Irradiance 1000W/m2，Module Temperature 25℃， Air Mass1.5.) XTRA3415/4415N: System voltage 36 cell Voc＜23V 48 cell Voc＜31V 54 cell Voc＜34V 60 cell Voc＜38V
Max. Best Max. Best Max. Best Max. Best
12V 4 2 2 1 2 1 2 1
24V 6 3 4 2 4 2 3 2
48V 6 5 4 3 4 3 3 3
System voltage
72 cell Voc＜46V 96 cell Voc＜62V Thin-Film Module Voc＞80V
Max. Best Max. Best
12V 2 1 1 1 1
24V 3 2 2 1 1
48V 3 2 2 2 1
NOTE: The above parameter values are calculated under standard test conditions
(STC (Standard Test Condition)：Irradiance 1000W/m2，Module Temperature 25℃，
Air Mass1.5.)
(2) Maximum PV array power
The MPPT controller has the function of charging current/power-limiting, that is, during the charging process, when the charging current or power exceeds the rated charging current or power, the controller will automatically limit the charging current or power to the rated range, which can effectively protect the charging parts of controller, and prevent damages to the controller due to the connection of some over-specification PV modules. The actual operation of PV array is as follows:
Condition 1:
Actual charging power of PV array ≤ Rated charging power of controller
Condition 2:
Actual charging current of PV array ≤ Rated charging current of controller
When the controller operates under “Condition 1”or“Condition 2”, it will carry out the charging as per the actual current or power; at this time, the controller can work at the maximum power point of PV array.
WARNING: When the power of PV is not greater than the rated charging
power, but the maximum open-circuit voltage of PV array is more than 60V(XTRA**06N)/100V(XTRA**10N)/150V(XTRA**15N) (at the lowest environmental temperature), the controller may be damaged.
Condition 3:
Actual charging power of PV array＞Rated charging power of controller
Condition 4:
When the controller operates under “Condition 3”or“Condition 4”，it will carry out the charging as per the rated current or power.
WARNING: When the power of PV module is greater than the rated
charging power, and the maximum open-circuit voltage of PV array is more than 60V(XTRA**06N)/100V(XTRA**10N)/150V(XTRA**15N) (at the lowest environmental temperature), the controller may be damaged. According to “Peak Sun Hours diagram”, if the power of PV array exceeds the rated charging power of controller, then the charging time as per the rated power will be prolonged, so that more energy can be obtained for charging the battery. However, in the practical application, the maximum power of PV array shall be not greater than 1.5 x the rated charging power of controller. If the maximum power of PV array exceeds the rated charging power of controller too much, it will not only cause the waste of PV modules, but also increase the open-circuit voltage of PV array due to the influence of environmental temperature, which may make the probability of damage to the controller rise. Therefore, it is very important to configure the system reasonably. For the recommended maximum power of PV array for this controller, please refer to the table below:
Model Rated Charge Current Rated Charge Power Max. PV Array Power Max. PV open circuit voltage XTRA1206N 10A 130W/12V 260W/24V 195W/12V 390W/24V 46V① 60V② XTRA2206N 20A 260W/12V 520W/24V 390W/12V 780W/24V XTRA1210N 10A 130W/12V 260W/24V 195W/12V 390W/24V 92V① 100V② XTRA2210N 20A 260W/12V 520W/24V 390W/12V 780W/24V XTRA3210N 30A 390W/12V 780W/24V 580W/12V 1170W/24V XTRA4210N 40A 520W/12V 1040W/24V 780W/12V 1560W/24V XTRA3215N 30A 390W/12V 780W/24V 580W/12V 1170W/24V 138V① 150V② XTRA4215N 40A 520W/12V 1040W/24V 780W/12V 1560W/24V XTRA3415N 30A 390W/12V 780W/24V 1170W/36V 1560W/48V 580W/12V 1170W/24V 1755W/36V 2340W/48V XTRA4415N 40A 520W/12V 1040W/24V 1560W/36V 2080W/48V 780W/12V 1560W/24V 2340W/36V 3120W/48V ①At 25℃ environment temperature
2.3 Wire Size
The wiring and installation methods must conform to all national and local electrical code requirements.
PV Wire Size
Since PV array output can vary due to the PV module size, connection method or sunlight angle, the minimum wire size can be calculated by the Isc＊ of PV array. Please refer to the value of Isc in the PV module specification. When PV modules connect in series, the Isc is equal to a PV modules Isc. When PV modules connect in parallel, the Isc is equal to the sum of the PV modules’Isc. The Isc of the PV array must not exceed the controller’s maximum PV input current. Please refer to the table as below:
NOTE: All PV modules in a given array are assumed to be identical. ＊Isc=short circuit current(amps) Voc=open circuit voltage.
Model Max. PV input current Max. PV wire size＊
XTRA1206N XTRA1210N 10A 4mm 2 /12AWG XTRA2206N XTRA2210N 20A 6mm 2/10AWG XTRA3210N XTRA3215N XTRA3415N 30A 10mm2/8AWG XTRA4210N XTRA4215N XTRA4415N 40A 16mm2/6AWG
＊These are the maximum wire sizes that will fit the controller terminals.
CAUTION: When the PV modules connect in series, the open circuit
voltage of the PV array must not exceed 46V (XTRA**06N), 92V (XTRA**10N) , 138V (XTRA**15N) at 25℃ environment temperature. Battery and Load Wire Size
The battery and load wire size must conform to the rated current, the reference size as below: Model Rated charge current Rated discharge current Battery wire size Load wire size XTRA1206N
XTRA1210N 10A 10A 4mm
2
/12AWG 4mm2/12AWG XTRA2206N
XTRA2210N 20A 20A 6mm
2
/10AWG 6mm2/10AWG XTRA3210N
XTRA3215N XTRA3415N
XTRA4210N XTRA4215N XTRA4415N
40A 40A 16mm2/6AWG 16mm2/6AWG
CAUTION: The wire size is only for reference. If there is a long distance
between the PV array and the controller or between the controller and the battery, larger wires can be used to reduce the voltage drop and improve performance.
CAUTION: For the battery, the recommended wire will be selected
according to the conditions that its terminals are not connected to any additional inverter.
2.4 Mounting
WARNING: Risk of explosion! Never install the controller in a sealed enclose
with flooded batteries! Do not install in a confined area where battery gas can accumulate.
WARNING: Risk of electric shock! When wiring the solarmodules, the PV array can produce a high open circuit voltage, so turn off the breaker before wiring and be careful when wiring.
CAUTION：The controller requires at least 150mm of clearance above and
below for proper air flow. Ventilation is highly recommended if mounted in an enclosure.
Installation Procedure:
Step 1: Determination of Installation Location and Heat-dissipation Space
Determination of installation location: The controller shall be installed in a place with sufficient air flow through the radiators of the controller and a minimum clearance of 150 mm from the upper and lower edges of the controller to ensure natural thermal convection. Please see Figure 2-1: Mounting
CAUTION: If the controller is to be installed in an enclosed box, it is important to ensure reliable heat dissipation through the box.
Step 2：Connect the system in the order of ❶battery ❷ load ❸PV array in
accordance with Figure 2-2,”Schematic Wiring Diagram” and disconnect the system in the reverse order❸❷❶.
CAUTION: While wiring the controller do not close the circuit breaker or
fuse and make sure that the leads of "+" and "-" poles are connected correctly.
CAUTION: A fuse which current is 1.25 to 2 times the rated current of the
controller, must be installed on the battery side with a distance from the battery not greater than 150 mm.
CAUTION: If the controller is to be used in an area with frequent lightning
strikes or unattended area, it must install an external surge arrester.
CAUTION: If an inverter is to be connected to the system, connect the
inverter directly to the battery, not to the load side of the controller.
Step 3：Grounding
XTRA N series is a common-negative controller, where all the negative terminals of PV array, battery and load can be grounded simultaneously or any one of them will be
grounded. However, according to the practical application, all the negative terminals of PV array, battery and load can also be ungrounded, but the grounding terminal on its shell must be grounded, which may effectively shield the electromagnetic interference from the outside, and prevent some electric shock to human body due to the electrification of the shell.
CAUTION: For common-negative system, such as motorhome, it is
recommended to use a common-negative controller; but if in the common-negative system, some common-positive equipment are used, and the positive electrode is grounded, the controller may be damaged.
Step 4：Connect accessories
Connect the remote temperature sensor cable
（Model:RT-MF58R47K3.81A） （Model:RTS300R47K3.81A） Connect the remote temperature sensor cable to the interface ① and place the other end close to the battery.
CAUTION: If the remote temperature sensor is not connected to the
controller, the default setting for battery charging or discharging temperature is 25 °C without temperature compensation.
Connect the accessories for RS485 communication Refer to chaper4 “Control Parameters Setting”. Step 5：Powered on the controller
Closing the battery fuse will switch on the controller. Then check the status of the battery indicator (the controller is operating normally when the indicator is lit in green). Close the fuse and circuit breaker of the load and PV array. Then the system will be operating in the preprogrammed mode.
CAUTION: If the controller is not operating properly or the battery indicator
on the controller shows an abnormality, please refer to 5.2 “Troubleshooting”.
Temperature Sensor
3. Display units
3.1 Basic Display unit(XDB1)
(1)Charging and battery LED indicator
Indicator Color Status Information
Green On Solid
PV connection normal ,but low voltage(low irradiance) from PV, no charging Green OFF No PV voltage(night time) or
PV connection problem Green Slowly Flashing(1Hz) In charging
Green Fast Flashing (4Hz) PV Over voltage Green On Solid Normal Green Slowly Flashing (1Hz) Full Green Fast Flashing (4Hz) Over voltage Orange On Solid Under voltage
Red On Solid Over discharged
Red Slowly Flashing(1Hz)
Battery Overheating Lithium battery Low temperature①
All LED indicators fast flashing at the same time System voltage error
②
Controller Overheating ①When a lead-acid battery is used, the controller doesn’t have the low temperature protection.
13
(2)Battery Capacity Level Indicator
Battery Capacity Level (BCL)
Indicator Color Status Information
☆
○○○
Green 25% Indicator slowly flashing 0< BCL <25%●
☆
○○
Green 50% Indicator slowly flashing25% Indicator on solid 25%≤BCL <50%
●●
☆
○
Green 75% Indicator slowly flashing25%,50% Indicators on solid 50%≤BCL <75%
●●●
☆
Green 100% Indicator slowly flashing25%,50%,75% Indicators on solid 75%≤BCL <100%
●●●●
Green 25%,50%,75%,100%Indicators on solid 100%“
○
” Indicator is OFF； “●
”Indicator is on Solid；“☆” Indicator is slowly flashing. Load statusBattery Capacity Level Green on solid The load is ON Green OFF The load is OFF
(3)Button
In the manual mode, it can control On/Off of the load via the button
(1)LED indicator
Indicator Color Status Instruction
Green On Solid
PV connection normal but low voltage(low irradiance) from PV, no charging Green OFF No PV voltage(night time) or
PV connection problem Green Slowly Flashing(1Hz) In charging
Green Fast Flashing (4Hz) PV Over voltage Red On Solid Load ON
Red OFF Load OFF
(2)Button
Mode Note
Load ON/OFF In load manual mode, it can turn the load On/Off via the button.
Clear Fault
Press the button
Browsing Mode
Press the button
Setting Mode
Press the button and hold on 5s to enter the setting mode
Press the button to set the parameters,
Press the button to confirm the setting parameters or no operation for 10s, it will exit the setting interface automatically.
1) Status Description
Item Icon Status
PV array
Day
Night
No charging
Charging
PV Voltage, Current, Generated energy
Battery
Battery capacity, In Charging
Battery Voltage, Current, Temperature Battery Type
Load
Load ON
Load OFF
Current/Consumed energy/Load mode
3)Load parameter dispaly
Display：Current/Consumed energy/Load working mode-Timer1/ Load working mode-Timer2
4)Setting
① Clear the generated energy
Operation:
Step 1: Press the button and hold 5s under the PV generated energy
interface and the value will be flashing.
Step 2: Press the button to clear the generated energy.
② Switch the battery temperature unit
Press the button and hold 5s under the battery temperature interface. ③Battery type
Operation:
Step1: Press the button and hold 5s under the battery voltage interface. Step2: Press the button when the battery type interface is flashing. Step3: Press the button to confirm the battery type.
CAUTION：Please refer to chapter 4.1 for the battery control voltage setting, when the battery type is User.
Operation:
Step1: Press the button and hold 5s under the load mode interface. Step2: Press the button when the load mode interface is flashing. Step3: Press the button to confirm the load mode.
NOTE：Please refer to chapter4.2 for the load working modes.
3.3 Adanced Display unit (XDS2)
(1)Indicator
Indicator Color Status Instruction
Green On Solid
PV connection normal but low voltage(low irradiance) from PV, no charging
Green OFF No PV voltage(night time) or PV connection problem Green Slowly Flashing(1Hz) In charging
Green Fast Flashing(4Hz) PV Over voltage Green On Solid Normal Green Slowly Flashing(1Hz) Full Green Fast Flashing(4Hz) Over voltage Orange On Solid Under voltage
Red On Solid Over discharged
Red Slowly Flashing(1Hz)
Yellow On Solid Load ON Yellow OFF Load OFF
PV&BATTLED fast flashing Controller Overheating System voltage error② ①When a lead-acid battery is used, the controller doesn’t have the low temperature protection.
②When a lithium battery is used, the system voltage can’t be identified automatically
(2)Button
Press the button PV browsing interface Setting data + Press the button and
hold 5s Setting the LCD cycle time
Press the button BATT browsing interface
Cursor displacement during setting Press the button and
hold 5s
Setting the battery type, battery capacity level and temperature unit.
Press the button Controller load browsing interface Setting data -
Press the button and
hold 5s Setting the load working mode
Press the button
Enter into setting interface
Setting interface switch to the browsing interface
Setting parameter as enter button
Press the button Exit the setting interface
Icon Information Icon Information Icon Information Day Not charging Not discharging
Night Charging Discharging
1)PV parameters
Display：Voltage/Current/Power/Generated Energy
2)Battery parameters
Display：Voltage/Current/Temperature/Battery capacity level
3)Load parameters
Display：Voltage/Current/Power/Consumed energy/Load working mode-Timer1/ Load working mode-Timer2
(4)Setting parameters
Operation:
Step 1: Press the button for the setting interface.
Step 2: Press the button and hold 5s for the battery type interface.
Step 3: Press the or button to choose the battery type.
Step 4: Press the button to confirm the battery type.
CAUTION：Please refer to chapter 4.1 for the battery control voltage setting, when the battery type is User.
2)Battery capacity
Operation:
Step 1: Press the button for the setting interface.
Step 2: Press the button and hold 5s for the battery type interface.
Step 3: Press the button for the battery capacity interface.
Step 4: Press the or button to set the battery capacity.
Step 5: Press the button to confirm the parameters.
User Gel
3) Temperature units
Operation:
Step 1: Press the button for the setting interface.
Step 2: Press the button and hold 5s for the battery type interface.
Step 3: Press the button twice for the temperature unit interface.
Step 4: Press the or button to set the temperature units.
Step 5: Press the button to confirm the parameters.
4) LCD cycle time
NOTE: The LCD cycle default time is 2s,the setting time range is 0～20s. Operation:
Step 1: Press the button for the setting interface.
Step 2: Press the button and hold 5s for the LCD cycle time interface.
Step 3: Press the or button to set the LCD cycle time.
5) Local load working mode
Operation:
Step 1: Press the button for the setting interface.
Step 2: Press the button and hold 5s for the load working mode interface.
Step 3: Press the or button to set the working mode..
Step 4: Press the button to confirm the parameters.
4. Control Parameters Setting
4.1 Battery types
4.1.1 Support battery types
1 Lead-acid battery Sealed(default) Gel Flooded User 2 Lithium battery LiFePO4(4S/12V;8S/24V;16S/48V) Li(NiCoMn)O2 (3S/12V;6S/24V;12S/48V) User
CAUTION: When the default battery type is selected, the battery voltage control parameters will be set by default and can’t be changed. To change these parameters, select "User" battery type.
4.1.2 Battery Voltage Control Parameters
Lead-acid battery parameters
The parameters are in 12V system at 25 ºC, please double the values in 24V system andquadruple the values in 48V system.
Battery type
Voltage Sealed Gel Flooded User
Over Voltage Disconnect
Voltage 16.0V 16.0V 16.0V 9～17V
Charging Limit Voltage 15.0V 15.0V 15.0V 9～17V Over Voltage Reconnect
Voltage 15.0V 15.0V 15.0V 9～17V
Equalize Charging Voltage 14.6V —— 14.8V 9～17V Boost Charging Voltage 14.4V 14.2V 14.6V 9～17V Float Charging Voltage 13.8V 13.8V 13.8V 9～17V Boost Reconnect Charging
Voltage 13.2V 13.2V 13.2V 9～17V
Low Voltage Reconnect
Voltage 12.6V 12.6V 12.6V 9～17V
Under Voltage Warning
Reconnect Voltage 12.2V 12.2V 12.2V 9～17V Under Voltage Warning
Voltage 12.0V 12.0V 12.0V 9～17V
Low Voltage Disconnect
Voltage 11.1V 11.1V 11.1V 9～17V
Equalize Duration 120 min —— 120 min 0～180 min Boost Duration 120 min 120 min 120 min 10～180 min The following rules must be observed when modifying the parameter values in User for lead-acid battery.
Ⅰ. Over Voltage Disconnect Voltage > Charging Limit Voltage ≥ Equalize Charging Voltage ≥ Boost Charging Voltage ≥ Float Charging Voltage > Boost Reconnect Charging Voltage.
Ⅱ. Over Voltage Disconnect Voltage > Over Voltage Reconnect Voltage
Ⅲ. Low Voltage Reconnect Voltage > Low Voltage Disconnect Voltage ≥ Discharging Limit Voltage.
Ⅳ. Under Voltage Warning Reconnect Voltage > Under Voltage Warning Voltage ≥ Discharging Limit Voltage.
Ⅴ. Boost Reconnect Charging voltage >Low Voltage Reconnect Voltage. Lithium battery parameters
The parameters are in 12V system at 25 ºC, please double the values in 24V system andquadruple the values in 48V system.
Battery type
Voltage LiFePO4 Li(NiCoMn)O2 User
Over Voltage Disconnect
Voltage 15.6V 13.5V 9～17V
Charging Limit Voltage 14.6V 12.6V 9～17V Over Voltage Reconnect
Voltage 14.7V 12.7V 9～17V
Equalize Charging
Voltage 14.5V 12.5V 9～17V
Boost Charging Voltage 14.5V 12.5V 9～17V Float Charging Voltage 13.8V 12.2V 9～17V Boost Reconnect
Charging Voltage 13.2V 12.1V 9～17V
Low Voltage Reconnect
Voltage 12.8V 10.5V 9～17V
Under Voltage Warning
Reconnect Voltage 12.8V 11.0V 9～17V Under Voltage Warning
Voltage 12.0V 10.5V 9～17V
Low Voltage Disconnect
Voltage 11.1V 9.3V 9～17V
Discharging Limit Voltage 10.6V 9.3V 9～17V The following rules must be observed when modifying the parameter values in User for lithium battery.
Ⅱ. Over Voltage Disconnect Voltage>Over Voltage Reconnect Voltage＝Charging Limit Voltage ≥ Equalize Charging Voltage＝Boost Charging Voltage ≥ Float Charging Voltage>Boost Reconnect Charging Voltage;
Ⅲ. Low Voltage Reconnect Voltage>Low Voltage Disconnect Voltage ≥ Discharging Limit Voltage;
Ⅳ. Under Voltage Warning Reconnect Voltage>Under Voltage Warning Voltage≥ Discharging Limit Voltage;
Ⅴ. Boost Reconnect Charging voltage> Low Voltage Reconnect Voltage; Ⅵ. Low Voltage Disconnect Voltage ≥ Over discharging protection voltage
(BMS)+0.2V※.
WARNING: The voltage parameters of lithium battery can be set, but you
must refer to the voltage parameters of lithium battery BMS.
WARNING: The required accuracy of BMS shall be at least 0.2V. If the
deviation is higher than 0.2V, the manufacturer will assume no liability for any system malfunction caused by this.
4.1.3 Settings
1) PC setting Connection
Download software
http://www.epever.com/en/index.php/Tecknical/download(PC Software for the Solar Charge Controller)
Download software(User for lead-acid battery)
http://www.epever.com/en/index.php/Tecknical/download(Android APP for the Solar Charge Controller)
Download software(User for lithium battery)
http://www.epever.com/en/index.php/Tecknical/download(Android APP for the Li-Battery Solar Charge Controller)
4.2 Load working modes
4.2.1 LCD setting
1) XDS1 display and operation
When the LCD shows above interface, operate as following: Step1: Press the button and hold 5s for the load mode interface. Step2: Press the button when the load mode interface is flashing.
Step3: Press the button to confirm the load working modes. 2) XDS2 display and operation
Step2: Press the button and hold 5s for the load working mode interface.
Step3: Press the or button to set the load working modes.
Step4: Press the button to confirm the parameters.
3) Load working mode
1** Timer 1 2** Timer 2 100 Light ON/OFF 2 n Disabled
101 Load will be on for 1 hour after
sunset 201
Load will be on for 1 hour before sunrise
102 Load will be on for 2 hours
after sunset 202
Load will be on for 2 hours before sunrise
103
～
113
Load will be on for 3 ～ 13 hours after sunset
203
～
213
Load will be on for 3 ～ 13 hours before sunrise
114 Load will be on for 14 hours
after sunset 214
Load will be on for 14 hours before sunrise
115 Load will be on for 15 hours
after sunset 215
Load will be on for 15 hours before sunrise
116 Test mode 2 n Disabled
117 Manual mode(Default load
ON) 2 n Disabled
CAUTION: Please set Light ON/OFF, Test mode and Manual mode via Timer1. Timer2 will be disabled and display "2 n ".
4.2.2 RS485 communication setting
1) Load working mode
Manual Control (default)
Control ON/OFF of the load via the button or remote commands (e.g., APP or PC software).
Light ON+ Timer
Time Control
Control the load ON/OFF time through setting the real-time clock.
2) Load working mode settings
(1)PC setting Connection
Download software
http://www.epever.com/en/index.php/Tecknical/download (PC Software for the Solar Charge Controller)
Download software
http://www.epever.com/en/index.php/Tecknical/download (Android APP for the Solar Charge Controller)
(3)MT50 Setting
CAUTION: For detailed setting methods, please refer to the instructions or
4.3 Accessories (optional)
Remote Temperature Sensor
(RTS300R47K3.81A)
Acquisition of battery temperature for undertaking temperature compensation of control parameters, the standard length of the cable is 3m (length can be customized). The RTS300R47K3.81A connects to the port (4th) on the controller.
NOTE: The temperature sensor short-circuited or damaged, the controller will be charging or discharging at the default temperature 25 ºC. USB to RS485 cable
CC-USB-RS485-150U
USB to RS485 converter is used to monitor each controller using Solar Station PC software. The length of cable is 1.5m. TheCC-USB-RS485-150U connects to the RS485 Port on the controller.
OTG cable
OTG-12CM
Used to connect the controller with mobile phone and able to achieve real-time monitoring of the controller and modification of the parameters by using mobile APP software
Remote Meter
MT50
MT50 can display various operating data and fault info the system. The information can be displayed on a backlit LCD screen, the buttons are easy-to-operate, and the numeric display is readable.
NOTE: MT50 don’t support the lithium battery parameters. WIFI Serial Adapter
eBox-WIFI-01
After the controller is connected with the eBox-WIFI-01 through the standard Ethernet cable (parallel cable), the operating status and related parameters of the controller can be monitored by the mobile APP software through WIFI signals.
RS485 to Bluetooth Adapter
eBox-BLE-01
After the controller is connected with the eBox-BLE-01 through the standard Ethernet cable (parallel cable), the operating status and related parameters of the controller can be monitored by the mobile APP software through Bluetooth signals.
Logger
eLOG01
After the controller is connected with the eLOG-01 through the RS485
communication cable, it can record the operating data of the controller or monitor the real-time operating status of the controller via PC software.
5. Protections, Troubleshooting and Maintenance
5.1 Protection
PV Over Current/power
When the charging current or power of the PV array exceeds the controller’s rated current or power, it will be charge at the rated current or power.
NOTE: When the PV modules are in series, ensure that the open-circuit voltage of the PV array does not exceed the "maximum PV open-circuit voltage" rating. Otherwise the controller may be damaged.
PV Short Circuit When not in PV charging state, the controller will not be damaged in case of a short-circuiting in the PV array. PV Reverse Polarity
When the polarity of the PV array is reversed, the controller may not be damaged and can continue to operate normally after the polarity is corrected.
NOTE: If the PV array is reverse connected to the controller,1.5 times rated controller power(watts)from the PV array, will damage the controller.
Night Reverse Charging Prevents the battery from discharging to the PV module at night.
Battery Reverse Polarity Fully protected against battery reverse polarity; no damage will occur to the battery. Correct the miswire to resume normal operation. NOTE: Limited to the characteristic of lithium battery, when the PV connection is correct and battery connection reversed, the controller will be damaged.
Battery Over Voltage When the battery voltage reaches the over voltage disconnect voltage, it will automatically stop battery charging to prevent battery damage caused by over-charging. Battery Over Discharge
When the battery voltage reaches the low voltage disconnect voltage, it will automatically stop battery discharging to prevent battery damage caused by over-discharging. (Any controller connected loads will be disconnected. Loads directly connected to the battery will not be affected and may continue to discharge the battery.)
Battery Overheating The controller can detect the battery temperature through an external temperature sensor.temperature exceeds 65 °C and restart to work when its temperature is below 55 °C. The controller stops working when its Lithium Battery Low
Temperature
When the temperature detected by the optional temperature sensor is lower than the Low Temperature Protection Threshold(LTPT), the controller will stop charging and discharging automatically. When the detected temperature is higher than the LTPT, the controller will be working automatically (The LTPT is 0 °C by default and can be set within the range of 10 ~ -40 °C).
Load Short Circuit
When the load is short circuited (The short circuit current is ≥ 4 times the rated controller load current), the controller will automatically cut off the output. If the load reconnects the output automatically five times (delay of 5s, 10s, 15s, 20s, 25s), it needs to be cleared by pressing the Load button, restarting the controller or switching from Night to the Day (nighttime > 3 hours). Load Overload
When the load is overloading (The overload current is ≥ 1.05 times the rated load current), the controller will automatically cut off the output. If the load reconnects automatically five times (delay of 5s, 10s, 15s, 20s, 25s), it needs to be cleared by pressing the Load button restarting the controller, switching from Night to Day (nighttime > 3 hours).
Controller Overheating★ The controller is able to detect the temperature inside the battery. The controller stops working when its temperature exceeds 85 °C and restart to work when its temperature is below 75 °C.
TVS High Voltage Transients
★When the internal temperature is 81℃, the reduce charging power mode which reduce the charging power of 5%,10%,20%,40% every increase 1 ℃ is turned on. If the internal temperature is greater than 85℃, the controller will stop charging. When the temperature declines to be below 75 ºC, the controller will resume.
For example XTRA4215N 24V system:
5.2 Troubleshooting
Possible reasons Faults Troubleshooting
PV array disconnection
Charging LED indicator off during daytime when sunshine falls on PV modules properly
Confirm that PV wire connections are correct and tight
Battery voltage is lower than 8V
Wire connection is correct, the controller is not working.
Please check the voltage of battery. At least 8V voltage to activate the controller.
Battery over voltage
XDB1：Charging indicator Green fast flashing
Check if battery voltage is higher than OVD(over voltage disconnect voltage), and disconnect the PV. XDS1：
XDS2：Charging indicator Green fast flashing
Battery over discharged
XDB1：Battery indicator Red on solid
When the battery voltage is restored to or above LVR(low voltage reconnect voltage), the load will recover
Battery level shows full, battery frame blink, fault icon blink
XDS1：
XDS2：Charging indicator Red on solid
Battery Overheating
XDB1：Battery indicator Red slow flashing
The controller will
automatically turn the system off. When the temperature declines to be below 55 ºC, the controller will resume. XDS1：
XDS2：Battery indicator Red slow flashing
Controller Overheating
XDB1：
PV/BATT(orange)/Battery capacity lever(four) indicator fast flashing XDS2：
PV/BATT indicator fast flashing
When heat sink of controller exceeds 85℃, the controller will automatically cut off input and output circuit. When the temperature below 75℃,the controller will resume to work.
System voltage error
①Check whether the battery voltage match with the
controller working voltage. ②Please change to a suitable
battery or reset the working voltage.
Load Overload
1. The load is no output 2.XDS1/XDS2：
/
Load and fault icon blink
①Please reduce the number
of electric equipments. ②Restart the controller.
③Wait for one night-day cycle (night time>3 hours).
Load Short Circuit
①Check carefully loads
connection, clear the fault. ②Restart the controller.
③Wait for one night-day cycle (night time>3 hours).
5.3 Maintenance
The following inspections and maintenance tasks are recommended at least two times per year for best performance.
Make sure controller firmly installed in a clean and dry ambient. Battery frame blink,
fault icon blink
Battery frame blink, fault icon blink Battery level shows empty, battery frame blink, fault icon blink
Make sure no block on air-flow around the controller. Clear up any dirt and fragments on heat sink.
Check all the naked wires to make sure insulation is not damaged for sun exposure, frictional wear, dryness, insects or rats etc. Repair or replace some wires if necessary.
Tighten all the terminals. Inspect for loose, broken, or burnt wire connections. Check and confirm that LED is consistent with required. Pay attention to any
troubleshooting or error indication .Take corrective action if necessary. Confirm that all the system components are ground connected tightly and
correctly.
Confirm that all the terminals have no corrosion, insulation damaged, high temperature or burnt/discolored sign, tighten terminal screws to the suggested torque.
Clear up dirt, nesting insects and corrosion in time.
Check and confirm that lightning arrester is in good condition. Replace a new one in time to avoid damaging of the controller and even other equipments.
WARNING：Risk of electric shock!
6. Technical Specifications
Electrical Parameters
Item 1206NXTRA 2206NXTRA 1210NXTRA 2210N XTRA 3210NXTRA 4210N XTRA 3215NXTRA 4215N XTRA 3415NXTRA 4415N XTRA System nominal
voltage 12/24VDC① Auto 12/24/36/48VDC
① Auto
Rated charge current 10A 20A 10A 20A 30A 40A 30A 40A 30A 40A
Rated discharge
current 10A 20A 10A 20A 30A 40A 30A 40A 30A 40A
Battery voltage range 8～32V 8～68V Max. PV open circuit voltage 60V② 46V③ 100V② 92V③ 150V② 138V③
MPP voltage range (Battery voltage +2V)～
36V
(Battery voltage +2V)～ 72V
(Battery voltage +2V)～ 108V
Rated charge power 130W/12V
260W/24V 260W/12V 520W/24V 130W/12V 260W/24V 260W/12V 520W/24V 390W/12V 780W/24V 520W/12V 1040W/24V 390W/12V 780W/24V 520W/12V 1040W/24V 390W/12V 780W/24V 1170W/36V 1560W/48V 520W/12V 1040W/24V 1560W/36V 2080W/48V Max. conversion efficiency 97.9% 98.3% 98.2% 98.3% 98.6% 98.6% 97.6% 97.9% 98.1% 98.5%
Full load efficiency 97% 96.7% 96.2% 96.4% 96.6% 96.5% 95.1% 95.4% 96.9% 97.2%
Self-consumption ≤14mA(12V) ≤15mA(24V) ≤30mA(12V) ≤16mA(24V)
≤30mA(12V) ≤16mA(24V) ≤13mA(36V) ≤13mA(48V) Discharge circuit voltage drop ≤0.23V Temperature compensate coefficient④ -3mV/℃/2V (Default)
RS485 interface 5VDC/200mA(RJ45)
LCD backlight time Default:60S,Range:0~999S(0S:the backlight is ON all the time)
①When lithium battery is used, the system voltage can’t be identified automatically. ②At minimum operating environment temperature
③At 25℃ environment temperature
④When lithium battery is used, the temperature compensate coefficient must be 0,and can’t be changed.
Environmental Parameters
Item 1206NXTRA 2206NXTRA 1210NXTRA 2210N XTRA 3210NXTRA 4210N XTRA 3215NXTRA 4215N XTRA 3415NXTRA 4415N XTRA
Working environment temperature◆
(100% input and output)
-25℃～+50℃(LCD) -30℃～+50℃(No LCD)
-25℃～+45℃(LCD) -30℃～+45℃(No LCD)
Storage temperature range -20℃～+70℃
Relative humidity ≤95%, N.C.
Enclosure IP33★
Pollution degree PD2
◆The controller can full load working in the working environment temperature, When the internal temperature reach to 81℃, the reducing charging power mode is turned on. Refer to P34.
★3-protection against solid objects: protected against solids objects over 2.5mm. 3-protected against sprays to 60°from the vertical.
Mechanical Parameters
Item XTRA1206N XTRA1210N XTRA2206N XTRA2210N XTRA3210N XTRA3215N XTRA4210N XTRA3415N XTRA4215N XTRA4415N
Dimension 175×143×48mm 217×158×56.5mm 230×165×63mm 255×185×67.8mm 255×187×75.7mm 255×189×83.2mm
Mounting dimension 120×134mm 160×149mm 173×156mm 200×176mm 200×178mm 200×180mm
Mounting hole size Φ5mm
Terminal 12AWG(4mm2) 6AWG(16mm2) 6AWG(16mm2) 6AWG(16mm2) 6AWG(16mm2) 6AWG(16mm2)
Recommended cable 12AWG(4mm2
Certification
Safety EN/IEC62109-1
EMC(Emission immunity) EN61000-6-3/EN61000-6-1
FCC 47 CFR Part 15, Subpart B
Performance &function IEC62509
Annex I Conversion Efficiency Curves
Illumination Intensity: 1000W/m
2Temp: 25ºC
Model: XTRA1206N
1. Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V)
Model: XTRA1210N
1. Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V)
Model: XTRA2206N
1. Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V)
Model: XTRA2210N
1. Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V)
Model: XTRA3210N
1. Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V)
Model: XTRA4210N
1. Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V)
Model: XTRA3215N
1. Solar Module MPP Voltage(17V, 34V, 68V) / Nominal System Voltage(12V)
Model: XTRA4215N
1. Solar Module MPP Voltage(17V, 34V, 68V) / Nominal System Voltage(12V)
Model: XTRA3415N
1. Solar Module MPP Voltage(17V, 34V, 68V) / Nominal System Voltage(12V)
3. Solar Module MPP Voltage(68V, 102V, 119V) / Nominal System Voltage(36V)
Model: XTRA4415N
1. Solar Module MPP Voltage(17V, 34V, 68V) / Nominal System Voltage(12V)
3. Solar Module MPP Voltage(68V, 102V, 119V) / Nominal System Voltage(36V)
